{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+micronized+progesterone&page=2",
    "query": {
      "intervention": "oral micronized progesterone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+micronized+progesterone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T18:25:27.456Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT00805207",
      "title": "Sex Steroids, Sleep, and Metabolic Dysfunction in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome (PCOS)",
        "Obstructive Sleep Apnea",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "glucocorticoid",
          "type": "DRUG"
        },
        {
          "name": "continuous positive airway pressure",
          "type": "DEVICE"
        },
        {
          "name": "Estrogen",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 61,
      "start_date": "2007-09",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00805207"
    },
    {
      "nct_id": "NCT02486757",
      "title": "Investigation of Female Reproductive Hormone Dynamics During Adolescence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Menstruation Disturbances"
      ],
      "interventions": [
        {
          "name": "micronized progesterone",
          "type": "DRUG"
        },
        {
          "name": "transdermal estradiol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "16 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 16 Years · Female only"
      },
      "enrollment_count": 9,
      "start_date": "2015-04",
      "completion_date": "2016-03-01",
      "has_results": true,
      "last_update_posted_date": "2018-12-24",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02486757"
    },
    {
      "nct_id": "NCT01589081",
      "title": "Effects of Progesterone on IV Nicotine-Induced Changes in Hormones and Subjective Ratings of Stimulant Drug Effect",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Intravenous Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2008-09",
      "completion_date": "2015-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-17",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01589081"
    },
    {
      "nct_id": "NCT01428089",
      "title": "Suppression of Daytime and Nighttime Luteinizing Hormone Frequency by Progesterone",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Polycystic Ovary Syndrome",
        "Hyperandrogenism",
        "Normal Puberty"
      ],
      "interventions": [
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "14 Years",
        "sex": "FEMALE",
        "summary": "7 Years to 14 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2011-03-11",
      "completion_date": "2024-12",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01428089"
    },
    {
      "nct_id": "NCT04597099",
      "title": "Androgen Blockade and Progesterone Augmentation of Gonadotropin Secretion",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "PCOS",
        "Polycystic Ovary Syndrome"
      ],
      "interventions": [
        {
          "name": "Micronized progesterone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Flutamide",
          "type": "DRUG"
        },
        {
          "name": "Estradiol patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 30 Years · Female only"
      },
      "enrollment_count": 10,
      "start_date": "2022-10-26",
      "completion_date": "2025-10-01",
      "has_results": false,
      "last_update_posted_date": "2023-11-02",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04597099"
    },
    {
      "nct_id": "NCT01744574",
      "title": "Sex Differences, Hormones & Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tobacco Cessation"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        },
        {
          "name": "Smoking Cessation Behavioral Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 216,
      "start_date": "2012-12",
      "completion_date": "2017-07-27",
      "has_results": true,
      "last_update_posted_date": "2019-07-12",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01744574"
    },
    {
      "nct_id": "NCT06357442",
      "title": "Assessment of Endometrial Thickness Among Adolescent and Young Adult Patients on Estrogen Replacement Therapy Using Daily Oral Micronized Progesterone Versus the Etonogestrel Implant.",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Primary Ovarian Insufficiency",
        "Hypogonadotropic Hypogonadism",
        "Hormone Replacement Therapy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 25 Years · Female only"
      },
      "enrollment_count": 34,
      "start_date": "2024-07-01",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06357442"
    },
    {
      "nct_id": "NCT06807580",
      "title": "Progesterone in Gender Affirming Hormone Therapy Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Transgender Women"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2025-05-12",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2025-12-24",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06807580"
    },
    {
      "nct_id": "NCT02922348",
      "title": "Hormone Replacement for Premature Ovarian Insufficiency",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Primary Ovarian Insufficiency"
      ],
      "interventions": [
        {
          "name": "Hormone Replacement Therapy",
          "type": "DRUG"
        },
        {
          "name": "Combined Oral Contraceptives",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "14 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-03-01",
      "completion_date": "2018-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-07-05",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02922348"
    },
    {
      "nct_id": "NCT01589068",
      "title": "Effects of Progesterone on IV Nicotine Induced Changes on BOLD fMRI Signal, Hormones and Subjective Ratings of Stimulant Drugs",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependence"
      ],
      "interventions": [
        {
          "name": "Intravenous Nicotine",
          "type": "DRUG"
        },
        {
          "name": "Progesterone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mclean Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-01",
      "completion_date": "2015-12-01",
      "has_results": false,
      "last_update_posted_date": "2024-01-17",
      "last_synced_at": "2026-09-26T18:25:27.456Z",
      "location_count": 1,
      "location_summary": "Belmont, Massachusetts",
      "locations": [
        {
          "city": "Belmont",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01589068"
    }
  ]
}